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Pension Plan - Schedule of Assumptions Used to Determine Benefit Obligations and Net Periodic Pension Cost (Detail) | 12 Months Ended
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Feb. 28, 2014 | Feb. 28, 2013 | Feb. 29, 2012
Compensation And Retirement Disclosure [Abstract] |  |  |
Weighted average discount rate (net periodic pension cost) | 4.60% | 5.05% | 5.85%
Earnings progression (net periodic pension cost) | 3.00% | 3.00% | 3.00%
Expected long-term rate of return on plan assets | 8.00% | 8.00% | 8.00%
Weighted average discount rate (benefit obligations) | 4.90% | 4.60% | 5.05%
Earnings progression (benefit obligations) | 3.00% | 3.00% | 3.00%

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- Definition Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Earnings Progression + References No definition available. + Details
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- Definition Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Earnings Progression + References No definition available. + Details
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- Details
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- Definition The interest rate used to adjust for the time value of money for the plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(1) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition The interest rate used to adjust for the time value of money. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(1) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Glossary Expected Long-Term Rate of Return on Plan Assets -URI http://asc.fasb.org/extlink&oid=6512013 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(3) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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